package org.testng;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

import org.testng.annotations.ITestAnnotation;
import org.testng.collections.Lists;
import org.testng.collections.Maps;
import org.testng.collections.Sets;
import org.testng.internal.ClassHelper;
import org.testng.internal.Configuration;
import org.testng.internal.DynamicGraph;
import org.testng.internal.IConfiguration;
import org.testng.internal.IResultListener2;
import org.testng.internal.OverrideProcessor;
import org.testng.internal.SuiteRunnerMap;
import org.testng.internal.Utils;
import org.testng.internal.Version;
import org.testng.internal.annotations.DefaultAnnotationTransformer;
import org.testng.internal.annotations.IAnnotationFinder;
import org.testng.internal.annotations.JDK15AnnotationFinder;
import org.testng.internal.thread.graph.GraphThreadPoolExecutor;
import org.testng.internal.thread.graph.IThreadWorkerFactory;
import org.testng.internal.thread.graph.SuiteWorkerFactory;
import org.testng.junit.JUnitTestFinder;
import org.testng.log4testng.Logger;
import org.testng.reporters.EmailableReporter;
import org.testng.reporters.EmailableReporter2;
import org.testng.reporters.FailedReporter;
import org.testng.reporters.JUnitReportReporter;
import org.testng.reporters.SuiteHTMLReporter;
import org.testng.reporters.VerboseReporter;
import org.testng.reporters.XMLReporter;
import org.testng.reporters.jq.Main;
import org.testng.xml.Parser;
import org.testng.xml.XmlClass;
import org.testng.xml.XmlInclude;
import org.testng.xml.XmlMethodSelector;
import org.testng.xml.XmlSuite;
import org.testng.xml.XmlTest;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.ParameterException;

import static org.testng.internal.Utils.defaultIfStringEmpty;
import static org.testng.internal.Utils.isStringEmpty;
import static org.testng.internal.Utils.isStringNotEmpty;
import static org.testng.xml.XmlSuite.ParallelMode.skipDeprecatedValues;

/**
 * This class is the main entry point for running tests in the TestNG framework.
 * Users can create their own TestNG object and invoke it in many different
 * ways:
 * <ul>
 * <li>On an existing testng.xml
 * <li>On a synthetic testng.xml, created entirely from Java
 * <li>By directly setting the test classes
 * </ul>
 * You can also define which groups to include or exclude, assign parameters, etc...
 * <P/>
 * The command line parameters are:
 * <UL>
 *  <LI>-d <TT>outputdir</TT>: specify the output directory</LI>
 *  <LI>-testclass <TT>class_name</TT>: specifies one or several class names </li>
 *  <LI>-testjar <TT>jar_name</TT>: specifies the jar containing the tests</LI>
 *  <LI>-sourcedir <TT>src1;src2</TT>: ; separated list of source directories
 *    (used only when javadoc annotations are used)</LI>
 *  <LI>-target</LI>
 *  <LI>-groups</LI>
 *  <LI>-testrunfactory</LI>
 *  <LI>-listener</LI>
 * </UL>
 * <P/>
 * Please consult documentation for more details.
 *
 * FIXME: should support more than simple paths for suite xmls
 *
 * @see #usage()
 *
 * @author <a href = "mailto:cedric&#64;beust.com">Cedric Beust</a>
 */
public class TestNG {

  /** This class' log4testng Logger. */
  private static final Logger LOGGER = Logger.getLogger(TestNG.class);

  /** The default name for a suite launched from the command line */
  public static final String DEFAULT_COMMAND_LINE_SUITE_NAME = "Command line suite";

  /** The default name for a test launched from the command line */
  public static final String DEFAULT_COMMAND_LINE_TEST_NAME = "Command line test";

  /** The default name of the result's output directory (keep public, used by Eclipse). */
  public static final String DEFAULT_OUTPUTDIR = "test-output";

  /** System properties */
  public static final String SHOW_TESTNG_STACK_FRAMES = "testng.show.stack.frames";
  public static final String TEST_CLASSPATH = "testng.test.classpath";

  private static TestNG m_instance;

  private static JCommander m_jCommander;

  private List<String> m_commandLineMethods;
  protected List<XmlSuite> m_suites = Lists.newArrayList();
  private List<XmlSuite> m_cmdlineSuites;
  private String m_outputDir = DEFAULT_OUTPUTDIR;

  private String[] m_includedGroups;
  private String[] m_excludedGroups;

  private Boolean m_isJUnit = XmlSuite.DEFAULT_JUNIT;
  private Boolean m_isMixed = XmlSuite.DEFAULT_MIXED;
  protected boolean m_useDefaultListeners = true;

  private ITestRunnerFactory m_testRunnerFactory;

  // These listeners can be overridden from the command line
  private final Map<Class<? extends IClassListener>, IClassListener> m_classListeners = Maps.newHashMap();
  private final Map<Class<? extends ITestListener>, ITestListener> m_testListeners = Maps.newHashMap();
  private final Map<Class<? extends ISuiteListener>, ISuiteListener> m_suiteListeners = Maps.newHashMap();
  private final Map<Class<? extends IReporter>, IReporter> m_reporters = Maps.newHashMap();

  protected static final int HAS_FAILURE = 1;
  protected static final int HAS_SKIPPED = 2;
  protected static final int HAS_FSP = 4;
  protected static final int HAS_NO_TEST = 8;

  public static final Integer DEFAULT_VERBOSE = 1;

  private int m_status;
  private boolean m_hasTests= false;

  // Command line suite parameters
  private int m_threadCount = -1;
  private XmlSuite.ParallelMode m_parallelMode = null;
  private XmlSuite.FailurePolicy m_configFailurePolicy;
  private Class[] m_commandLineTestClasses;

  private String m_defaultSuiteName=DEFAULT_COMMAND_LINE_SUITE_NAME;
  private String m_defaultTestName=DEFAULT_COMMAND_LINE_TEST_NAME;

  private Map<String, Integer> m_methodDescriptors = Maps.newHashMap();

  private ITestObjectFactory m_objectFactory;

  private final Map<Class<? extends IInvokedMethodListener>, IInvokedMethodListener> m_invokedMethodListeners = Maps
      .newHashMap();

  private Integer m_dataProviderThreadCount = null;

  private String m_jarPath;
  /** The path of the testng.xml file inside the jar file */
  private String m_xmlPathInJar = CommandLineArgs.XML_PATH_IN_JAR_DEFAULT;

  private List<String> m_stringSuites = Lists.newArrayList();

  private IHookable m_hookable;
  private IConfigurable m_configurable;

  protected long m_end;
  protected long m_start;

  private final Map<Class<? extends IExecutionListener>, IExecutionListener> m_executionListeners = Maps.newHashMap();
  private final Map<Class<? extends IAlterSuiteListener>, IAlterSuiteListener> m_alterSuiteListeners= Maps.newHashMap();

  private boolean m_isInitialized = false;

  /**
   * Default constructor. Setting also usage of default listeners/reporters.
   */
  public TestNG() {
    init(true);
  }

  /**
   * Used by maven2 to have 0 output of any kind come out
   * of testng.
   * @param useDefaultListeners Whether or not any default reports
   * should be added to tests.
   */
  public TestNG(boolean useDefaultListeners) {
    init(useDefaultListeners);
  }

  private void init(boolean useDefaultListeners) {
    m_instance = this;

    m_useDefaultListeners = useDefaultListeners;
    m_configuration = new Configuration();
  }

  public int getStatus() {
    return m_status;
  }

  private void setStatus(int status) {
    m_status |= status;
  }

  /**
   * Sets the output directory where the reports will be created.
   * @param outputdir The directory.
   */
  public void setOutputDirectory(final String outputdir) {
    if (isStringNotEmpty(outputdir)) {
      m_outputDir = outputdir;
    }
  }

  /**
   * If this method is passed true before run(), the default listeners
   * will not be used.
   * <ul>
   * <li>org.testng.reporters.TestHTMLReporter
   * <li>org.testng.reporters.JUnitXMLReporter
   * <li>org.testng.reporters.XMLReporter
   * </ul>
   *
   * @see org.testng.reporters.TestHTMLReporter
   * @see org.testng.reporters.JUnitXMLReporter
   * @see org.testng.reporters.XMLReporter
   */
  public void setUseDefaultListeners(boolean useDefaultListeners) {
    m_useDefaultListeners = useDefaultListeners;
  }

  /**
   * Sets a jar containing a testng.xml file.
   *
   * @param jarPath
   */
  public void setTestJar(String jarPath) {
    m_jarPath = jarPath;
  }

  /**
   * Sets the path to the XML file in the test jar file.
   */
  public void setXmlPathInJar(String xmlPathInJar) {
    m_xmlPathInJar = xmlPathInJar;
  }

  public void initializeSuitesAndJarFile() {
    // The Eclipse plug-in (RemoteTestNG) might have invoked this method already
    // so don't initialize suites twice.
    if (m_isInitialized) {
      return;
    }

    m_isInitialized = true;
    if (m_suites.size() > 0) {
    	//to parse the suite files (<suite-file>), if any
    	for (XmlSuite s: m_suites) {
        for (String suiteFile : s.getSuiteFiles()) {
            try {
                Collection<XmlSuite> childSuites;
                if (s.getFileName() != null) {
                  Path rootPath = Paths.get(s.getFileName()).getParent();
                  try (InputStream is = Files.newInputStream(rootPath.resolve(suiteFile))) {
                    childSuites = getParser(is).parse();
                  }
                } else {
                  childSuites = getParser(suiteFile).parse();
                }
                for (XmlSuite cSuite : childSuites){
                    cSuite.setParentSuite(s);
                    s.getChildSuites().add(cSuite);
                }
            } catch (IOException e) {
                e.printStackTrace(System.out);
            }
        }

    	}
      return;
    }

    //
    // Parse the suites that were passed on the command line
    //
    for (String suitePath : m_stringSuites) {
      if(LOGGER.isDebugEnabled()) {
        LOGGER.debug("suiteXmlPath: \"" + suitePath + "\"");
      }
      try {
        Collection<XmlSuite> allSuites = getParser(suitePath).parse();

        for (XmlSuite s : allSuites) {
          // If test names were specified, only run these test names
          if (m_testNames != null) {
            m_suites.add(extractTestNames(s, m_testNames));
          }
          else {
            m_suites.add(s);
          }
        }
      }
      catch(IOException e) {
        e.printStackTrace(System.out);
      } catch(Exception ex) {
        // Probably a Yaml exception, unnest it
        Throwable t = ex;
        while (t.getCause() != null) t = t.getCause();
//        t.printStackTrace();
        if (t instanceof TestNGException) throw (TestNGException) t;
        else throw new TestNGException(t);
      }
    }

    //
    // jar path
    //
    // If suites were passed on the command line, they take precedence over the suite file
    // inside that jar path
    if (m_jarPath != null && m_stringSuites.size() > 0) {
      StringBuilder suites = new StringBuilder();
      for (String s : m_stringSuites) {
        suites.append(s);
      }
      Utils.log("TestNG", 2, "Ignoring the XML file inside " + m_jarPath + " and using "
          + suites + " instead");
      return;
    }
    if (isStringEmpty(m_jarPath)) {
      return;
    }

    // We have a jar file and no XML file was specified: try to find an XML file inside the jar
    File jarFile = new File(m_jarPath);

    try {

      Utils.log("TestNG", 2, "Trying to open jar file:" + jarFile);

      boolean foundTestngXml = false;
      List<String> classes = Lists.newArrayList();
      try (JarFile jf = new JarFile(jarFile)) {
//      System.out.println("   result: " + jf);
        Enumeration<JarEntry> entries = jf.entries();
        while (entries.hasMoreElements()) {
          JarEntry je = entries.nextElement();
          if (je.getName().equals(m_xmlPathInJar)) {
            Parser parser = getParser(jf.getInputStream(je));
            Collection<XmlSuite> suites = parser.parse();
            for (XmlSuite suite : suites) {
              // If test names were specified, only run these test names
              if (m_testNames != null) {
                m_suites.add(extractTestNames(suite, m_testNames));
              } else {
                m_suites.add(suite);
              }
            }

            foundTestngXml = true;
            break;
          } else if (je.getName().endsWith(".class")) {
            int n = je.getName().length() - ".class".length();
            classes.add(je.getName().replace("/", ".").substring(0, n));
          }
        }
      }
      if (! foundTestngXml) {
        Utils.log("TestNG", 1,
            "Couldn't find the " + m_xmlPathInJar + " in the jar file, running all the classes");
        XmlSuite xmlSuite = new XmlSuite();
        xmlSuite.setVerbose(0);
        xmlSuite.setName("Jar suite");
        XmlTest xmlTest = new XmlTest(xmlSuite);
        List<XmlClass> xmlClasses = Lists.newArrayList();
        for (String cls : classes) {
          XmlClass xmlClass = new XmlClass(cls);
          xmlClasses.add(xmlClass);
        }
        xmlTest.setXmlClasses(xmlClasses);
        m_suites.add(xmlSuite);
      }
    }
    catch(IOException ex) {
      ex.printStackTrace();
    }
  }

  private Parser getParser(String path) {
    Parser result = new Parser(path);
    initProcessor(result);
    return result;
  }

  private Parser getParser(InputStream is) {
    Parser result = new Parser(is);
    initProcessor(result);
    return result;
  }

  private void initProcessor(Parser result) {
    result.setPostProcessor(new OverrideProcessor(m_includedGroups, m_excludedGroups));
  }

  /**
   * If the XmlSuite contains at least one test named as testNames, return
   * an XmlSuite that's made only of these tests, otherwise, return the
   * original suite.
   */
  private static XmlSuite extractTestNames(XmlSuite s, List<String> testNames) {
    extractTestNamesFromChildSuites(s, testNames);

    List<XmlTest> tests = Lists.newArrayList();
    for (XmlTest xt : s.getTests()) {
      for (String tn : testNames) {
        if (xt.getName().equals(tn)) {
          tests.add(xt);
        }
      }
    }

    if (tests.size() == 0) {
      throw new TestNGException("The test(s) <" + testNames.toString() + "> cannot be found.");
    }
    else {
      XmlSuite result = (XmlSuite) s.clone();
      result.getTests().clear();
      result.getTests().addAll(tests);
      return result;
    }
  }

  private static void extractTestNamesFromChildSuites(XmlSuite s, List<String> testNames) {
    List<XmlSuite> childSuites = s.getChildSuites();
    for (int i = 0; i < childSuites.size(); i++) {
      XmlSuite child = childSuites.get(i);
      XmlSuite extracted = extractTestNames(child, testNames);
      // if a new xml suite is created, which means some tests was extracted, then we replace the child
      if (extracted != child) {
        childSuites.set(i, extracted);
      }
    }
  }

  /**
   * Define the number of threads in the thread pool.
   */
  public void setThreadCount(int threadCount) {
    if(threadCount < 1) {
      exitWithError("Cannot use a threadCount parameter less than 1; 1 > " + threadCount);
    }

    m_threadCount = threadCount;
  }

  /**
   * Define whether this run will be run in parallel mode.
   * @deprecated Use #setParallel(XmlSuite.ParallelMode) instead
   */
  @Deprecated
  public void setParallel(String parallel) {
    if (parallel == null) {
      setParallel(XmlSuite.ParallelMode.NONE);
    } else {
      setParallel(XmlSuite.ParallelMode.getValidParallel(parallel));
    }
  }

  public void setParallel(XmlSuite.ParallelMode parallel) {
    m_parallelMode = skipDeprecatedValues(parallel);
  }

  public void setCommandLineSuite(XmlSuite suite) {
    m_cmdlineSuites = Lists.newArrayList();
    m_cmdlineSuites.add(suite);
    m_suites.add(suite);
  }

  /**
   * Set the test classes to be run by this TestNG object.  This method
   * will create a dummy suite that will wrap these classes called
   * "Command Line Test".
   * <p/>
   * If used together with threadCount, parallel, groups, excludedGroups than this one must be set first.
   *
   * @param classes An array of classes that contain TestNG annotations.
   */
  public void setTestClasses(Class[] classes) {
    m_suites.clear();
    m_commandLineTestClasses = classes;
  }

  /**
   * Given a string com.example.Foo.f1, return an array where [0] is the class and [1]
   * is the method.
   */
  private String[] splitMethod(String m) {
    int index = m.lastIndexOf(".");
    if (index < 0) {
      throw new TestNGException("Bad format for command line method:" + m
          + ", expected <class>.<method>");
    }

    return new String[] { m.substring(0, index), m.substring(index + 1).replaceAll("\\*", "\\.\\*") };
  }

  /**
   * @return a list of XmlSuite objects that represent the list of classes and methods passed
   * in parameter.
   *
   * @param commandLineMethods a string with the form "com.example.Foo.f1,com.example.Bar.f2"
   */
  private List<XmlSuite> createCommandLineSuitesForMethods(List<String> commandLineMethods) {
    //
    // Create the <classes> tag
    //
    Set<Class> classes = Sets.newHashSet();
    for (String m : commandLineMethods) {
      Class c = ClassHelper.forName(splitMethod(m)[0]);
      if (c != null) {
          classes.add(c);
      }
    }

    List<XmlSuite> result = createCommandLineSuitesForClasses(classes.toArray(new Class[0]));

    //
    // Add the method tags
    //
    List<XmlClass> xmlClasses = Lists.newArrayList();
    for (XmlSuite s : result) {
        for (XmlTest t : s.getTests()) {
            xmlClasses.addAll(t.getClasses());
        }
    }

    for (XmlClass xc : xmlClasses) {
      for (String m : commandLineMethods) {
        String[] split = splitMethod(m);
        String className = split[0];
        if (xc.getName().equals(className)) {
          XmlInclude includedMethod = new XmlInclude(split[1]);
          xc.getIncludedMethods().add(includedMethod);
        }
      }
    }

    return result;
  }

  private List<XmlSuite> createCommandLineSuitesForClasses(Class[] classes) {
    //
    // See if any of the classes has an xmlSuite or xmlTest attribute.
    // If it does, create the appropriate XmlSuite, otherwise, create
    // the default one
    //
    XmlClass[] xmlClasses = Utils.classesToXmlClasses(classes);
    Map<String, XmlSuite> suites = Maps.newHashMap();
    IAnnotationFinder finder = m_configuration.getAnnotationFinder();

    for (int i = 0; i < classes.length; i++) {
      Class c = classes[i];
      ITestAnnotation test = finder.findAnnotation(c, ITestAnnotation.class);
      String suiteName = getDefaultSuiteName();
      String testName = getDefaultTestName();
      boolean isJUnit = false;
      if (test != null) {
        suiteName = defaultIfStringEmpty(test.getSuiteName(), suiteName);
        testName = defaultIfStringEmpty(test.getTestName(), testName);
      } else {
        if (m_isMixed && JUnitTestFinder.isJUnitTest(c)) {
          isJUnit = true;
          testName = c.getName();
        }
      }
      XmlSuite xmlSuite = suites.get(suiteName);
      if (xmlSuite == null) {
        xmlSuite = new XmlSuite();
        xmlSuite.setName(suiteName);
        suites.put(suiteName, xmlSuite);
      }

      if (m_dataProviderThreadCount != null) {
        xmlSuite.setDataProviderThreadCount(m_dataProviderThreadCount);
      }
      XmlTest xmlTest = null;
      for (XmlTest xt  : xmlSuite.getTests()) {
        if (xt.getName().equals(testName)) {
          xmlTest = xt;
          break;
        }
      }

      if (xmlTest == null) {
        xmlTest = new XmlTest(xmlSuite);
        xmlTest.setName(testName);
        xmlTest.setJUnit(isJUnit);
      }

      xmlTest.getXmlClasses().add(xmlClasses[i]);
    }

    return new ArrayList<>(suites.values());
  }

  public void addMethodSelector(String className, int priority) {
    m_methodDescriptors.put(className, priority);
  }

  /**
   * Set the suites file names to be run by this TestNG object. This method tries to load and
   * parse the specified TestNG suite xml files. If a file is missing, it is ignored.
   *
   * @param suites A list of paths to one more XML files defining the tests.  For example:
   *
   * <pre>
   * TestNG tng = new TestNG();
   * List<String> suites = Lists.newArrayList();
   * suites.add("c:/tests/testng1.xml");
   * suites.add("c:/tests/testng2.xml");
   * tng.setTestSuites(suites);
   * tng.run();
   * </pre>
   */
  public void setTestSuites(List<String> suites) {
    m_stringSuites = suites;
  }

  /**
   * Specifies the XmlSuite objects to run.
   * @param suites
   * @see org.testng.xml.XmlSuite
   */
  public void setXmlSuites(List<XmlSuite> suites) {
    m_suites = suites;
  }

  /**
   * Define which groups will be excluded from this run.
   *
   * @param groups A list of group names separated by a comma.
   */
  public void setExcludedGroups(String groups) {
    m_excludedGroups = Utils.split(groups, ",");
  }


  /**
   * Define which groups will be included from this run.
   *
   * @param groups A list of group names separated by a comma.
   */
  public void setGroups(String groups) {
    m_includedGroups = Utils.split(groups, ",");
  }


  private void setTestRunnerFactoryClass(Class testRunnerFactoryClass) {
    setTestRunnerFactory((ITestRunnerFactory) ClassHelper.newInstance(testRunnerFactoryClass));
  }


  protected void setTestRunnerFactory(ITestRunnerFactory itrf) {
    m_testRunnerFactory= itrf;
  }

  public void setObjectFactory(Class c) {
    m_objectFactory = (ITestObjectFactory) ClassHelper.newInstance(c);
  }

  public void setObjectFactory(ITestObjectFactory factory) {
    m_objectFactory = factory;
  }

  /**
   * Define which listeners to user for this run.
   *
   * @param classes A list of classes, which must be either ISuiteListener,
   * ITestListener or IReporter
   */
  public void setListenerClasses(List<Class<? extends ITestNGListener>> classes) {
    for (Class<? extends ITestNGListener> cls: classes) {
      addListener(ClassHelper.newInstance(cls));
    }
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later /!\ Caution: IntelliJ is using it. Check with @akozlova before removing it
  @Deprecated
  public void addListener(Object listener) {
    if (! (listener instanceof ITestNGListener))
    {
      exitWithError("Listener " + listener
          + " must be one of ITestListener, ISuiteListener, IReporter, "
          + " IAnnotationTransformer, IMethodInterceptor or IInvokedMethodListener");
    }
    addListener((ITestNGListener) listener);
  }

  private static <E> void maybeAddListener(Map<Class<? extends E>, E> map, Class<? extends E> type, E value) {
    if (map.containsKey(value.getClass())) {
      LOGGER.warn("Ignoring duplicate listener : " + value.getClass().getName());
    } else {
      map.put(type, value);
    }
  }

  public void addListener(ITestNGListener listener) {
    if (listener == null) {
      return;
    }
    if (listener instanceof ISuiteListener) {
      ISuiteListener suite = (ISuiteListener) listener;
      maybeAddListener(m_suiteListeners, suite.getClass(),  suite);
    }
    if (listener instanceof ITestListener) {
      ITestListener test = (ITestListener) listener;
      maybeAddListener(m_testListeners, test.getClass(), test);
    }
    if (listener instanceof IClassListener) {
      IClassListener clazz = (IClassListener) listener;
      maybeAddListener(m_classListeners, clazz.getClass(), clazz);
    }
    if (listener instanceof IReporter) {
      IReporter reporter = (IReporter) listener;
      maybeAddListener(m_reporters, reporter.getClass(), reporter);
    }
    if (listener instanceof IAnnotationTransformer) {
      setAnnotationTransformer((IAnnotationTransformer) listener);
    }
    if (listener instanceof IMethodInterceptor) {
      m_methodInterceptors.add((IMethodInterceptor) listener);
    }
    if (listener instanceof IInvokedMethodListener) {
      IInvokedMethodListener method = (IInvokedMethodListener) listener;
      maybeAddListener(m_invokedMethodListeners, method.getClass(), method);
    }
    if (listener instanceof IHookable) {
      setHookable((IHookable) listener);
    }
    if (listener instanceof IConfigurable) {
      setConfigurable((IConfigurable) listener);
    }
    if (listener instanceof IExecutionListener) {
      IExecutionListener execution = (IExecutionListener) listener;
      maybeAddListener(m_executionListeners, execution.getClass(), execution);
    }
    if (listener instanceof IConfigurationListener) {
      getConfiguration().addConfigurationListener((IConfigurationListener) listener);
    }
    if (listener instanceof IAlterSuiteListener) {
      IAlterSuiteListener alter = (IAlterSuiteListener) listener;
      maybeAddListener(m_alterSuiteListeners, alter.getClass(), alter);
    }
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addListener(IInvokedMethodListener listener) {
    addListener((ITestNGListener) listener);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addListener(ISuiteListener listener) {
    addListener((ITestNGListener) listener);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addListener(ITestListener listener) {
    addListener((ITestNGListener) listener);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addListener(IClassListener listener) {
    addListener((ITestNGListener) listener);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addListener(IReporter listener) {
    addListener((ITestNGListener) listener);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addInvokedMethodListener(IInvokedMethodListener listener) {
    addListener((ITestNGListener) listener);
  }

  public Set<IReporter> getReporters() {
    //This will now cause a different behavior for consumers of this method because unlike before they are no longer
    //going to be getting the original set but only a copy of it (since we internally moved from Sets to Maps)
    return Sets.newHashSet(m_reporters.values());
  }

  public List<ITestListener> getTestListeners() {
    return Lists.newArrayList(m_testListeners.values());
  }

  public List<ISuiteListener> getSuiteListeners() {
    return Lists.newArrayList(m_suiteListeners.values());
  }

  /** If m_verbose gets set, it will override the verbose setting in testng.xml */
  private Integer m_verbose = null;

  private final IAnnotationTransformer m_defaultAnnoProcessor = new DefaultAnnotationTransformer();
  private IAnnotationTransformer m_annotationTransformer = m_defaultAnnoProcessor;

  private Boolean m_skipFailedInvocationCounts = false;

  private List<IMethodInterceptor> m_methodInterceptors = new ArrayList<IMethodInterceptor>();

  /** The list of test names to run from the given suite */
  private List<String> m_testNames;

  private Integer m_suiteThreadPoolSize = CommandLineArgs.SUITE_THREAD_POOL_SIZE_DEFAULT;

  private boolean m_randomizeSuites = Boolean.FALSE;

  private Boolean m_preserveOrder = XmlSuite.DEFAULT_PRESERVE_ORDER;
  private Boolean m_groupByInstances;

  private IConfiguration m_configuration;

  /**
   * Sets the level of verbosity. This value will override the value specified
   * in the test suites.
   *
   * @param verbose the verbosity level (0 to 10 where 10 is most detailed)
   * Actually, this is a lie:  you can specify -1 and this will put TestNG
   * in debug mode (no longer slicing off stack traces and all).
   */
  public void setVerbose(int verbose) {
    m_verbose = verbose;
  }

  private void initializeCommandLineSuites() {
    if (m_commandLineTestClasses != null || m_commandLineMethods != null) {
      if (null != m_commandLineMethods) {
        m_cmdlineSuites = createCommandLineSuitesForMethods(m_commandLineMethods);
      }
      else {
        m_cmdlineSuites = createCommandLineSuitesForClasses(m_commandLineTestClasses);
      }

      for (XmlSuite s : m_cmdlineSuites) {
        for (XmlTest t : s.getTests()) {
          t.setPreserveOrder(m_preserveOrder);
        }
        m_suites.add(s);
        if (m_groupByInstances != null) {
          s.setGroupByInstances(m_groupByInstances);
        }
      }
    }
  }

  private void initializeCommandLineSuitesParams() {
    if(null == m_cmdlineSuites) {
      return;
    }

    for (XmlSuite s : m_cmdlineSuites) {
      if (m_threadCount != -1) {
        s.setThreadCount(m_threadCount);
      }
      if (m_parallelMode != null) {
        s.setParallel(m_parallelMode);
      }
      if(m_configFailurePolicy != null) {
        s.setConfigFailurePolicy(m_configFailurePolicy);
      }
    }

  }

  private void initializeCommandLineSuitesGroups() {
    // If groups were specified on the command line, they should override groups
    // specified in the XML file
    boolean hasIncludedGroups = null != m_includedGroups && m_includedGroups.length > 0;
    boolean hasExcludedGroups = null != m_excludedGroups && m_excludedGroups.length > 0;
    List<XmlSuite> suites = m_cmdlineSuites != null ? m_cmdlineSuites : m_suites;
    if (hasIncludedGroups || hasExcludedGroups) {
      for (XmlSuite s : suites) {
        initializeCommandLineSuitesGroups(s, hasIncludedGroups, m_includedGroups, hasExcludedGroups, m_excludedGroups);
      }
    }
  }

  private static void initializeCommandLineSuitesGroups(XmlSuite s,
                                                        boolean hasIncludedGroups, String[] m_includedGroups,
                                                        boolean hasExcludedGroups, String[] m_excludedGroups) {
    if (hasIncludedGroups) {
      s.setIncludedGroups(Arrays.asList(m_includedGroups));
    }
    if (hasExcludedGroups) {
      s.setExcludedGroups(Arrays.asList(m_excludedGroups));
    }
    for (XmlSuite child : s.getChildSuites()) {
      initializeCommandLineSuitesGroups(child, hasIncludedGroups, m_includedGroups, hasExcludedGroups, m_excludedGroups);
    }
  }
  private void addReporter(Class<? extends IReporter> r) {
    if (!m_reporters.containsKey(r)) {
      m_reporters.put(r, ClassHelper.newInstance(r));
    }
  }

  private void initializeDefaultListeners() {
    m_testListeners.put(ExitCodeListener.class, new ExitCodeListener(this));

    if (m_useDefaultListeners) {
      addReporter(SuiteHTMLReporter.class);
      addReporter(Main.class);
      addReporter(FailedReporter.class);
      addReporter(XMLReporter.class);
      if (System.getProperty("oldTestngEmailableReporter") != null) {
        addReporter(EmailableReporter.class);
      } else if (System.getProperty("noEmailableReporter") == null) {
        addReporter(EmailableReporter2.class);
      }
      addReporter(JUnitReportReporter.class);
      if (m_verbose != null && m_verbose > 4) {
        addListener(new VerboseReporter("[TestNG] "));
      }
    }
  }

  private void initializeConfiguration() {
    ITestObjectFactory factory = m_objectFactory;
    //
    // Install the listeners found in ServiceLoader (or use the class
    // loader for tests, if specified).
    //
    addServiceLoaderListeners();

    //
    // Install the listeners found in the suites
    //
    for (XmlSuite s : m_suites) {
      for (String listenerName : s.getListeners()) {
        Class<?> listenerClass = ClassHelper.forName(listenerName);

        // If specified listener does not exist, a TestNGException will be thrown
        if(listenerClass == null) {
          throw new TestNGException("Listener " + listenerName
              + " was not found in project's classpath");
        }

        Object listener = ClassHelper.newInstance(listenerClass);
        addListener(listener);
      }

      //
      // Install the method selectors
      //
      for (XmlMethodSelector methodSelector : s.getMethodSelectors() ) {
        addMethodSelector(methodSelector.getClassName(), methodSelector.getPriority());
      }

      //
      // Find if we have an object factory
      //
      if (s.getObjectFactory() != null) {
        if (factory == null) {
          factory = s.getObjectFactory();
        } else {
          throw new TestNGException("Found more than one object-factory tag in your suites");
        }
      }
    }

    m_configuration.setAnnotationFinder(new JDK15AnnotationFinder(getAnnotationTransformer()));
    m_configuration.setHookable(m_hookable);
    m_configuration.setConfigurable(m_configurable);
    m_configuration.setObjectFactory(factory);
  }

  /**
   * Using reflection to remain Java 5 compliant.
   */
  private void addServiceLoaderListeners() {
      Iterable<ITestNGListener> loader = m_serviceLoaderClassLoader != null ?
          ServiceLoader.load(ITestNGListener.class, m_serviceLoaderClassLoader)
          : ServiceLoader.load(ITestNGListener.class);
      for (ITestNGListener l : loader) {
        Utils.log("[TestNG]", 2, "Adding ServiceLoader listener:" + l);
        addListener(l);
        addServiceLoaderListener(l);
      }
  }

  /**
   * Before suites are executed, do a sanity check to ensure all required
   * conditions are met. If not, throw an exception to stop test execution
   *
   * @throws TestNGException if the sanity check fails
   */
  private void sanityCheck() {
    checkTestNames(m_suites);
    checkSuiteNames(m_suites);
  }

  /**
   * Ensure that two XmlTest within the same XmlSuite don't have the same name
   */
  private void checkTestNames(List<XmlSuite> suites) {
    for (XmlSuite suite : suites) {
      Set<String> testNames = Sets.newHashSet();
      for (XmlTest test : suite.getTests()) {
        if (testNames.contains(test.getName())) {
          throw new TestNGException("Two tests in the same suite "
              + "cannot have the same name: " + test.getName());
        } else {
          testNames.add(test.getName());
        }
      }
      checkTestNames(suite.getChildSuites());
    }
  }

  /**
   * Ensure that two XmlSuite don't have the same name
   * Otherwise will be clash in SuiteRunnerMap
   * See issue #302
   */
  private void checkSuiteNames(List<XmlSuite> suites) {
    checkSuiteNamesInternal(suites, Sets.<String>newHashSet());
  }

  private void checkSuiteNamesInternal(List<XmlSuite> suites, Set<String> names) {
    for (XmlSuite suite : suites) {
      final String name = suite.getName();

      int count = 0;
      String tmpName = name;
      while (names.contains(tmpName)) {
        tmpName = name + " (" + count++ + ")";
      }

      if (count > 0) {
        suite.setName(tmpName);
        names.add(tmpName);
      } else {
        names.add(name);
      }

      names.add(name);
      checkSuiteNamesInternal(suite.getChildSuites(), names);
    }
  }

  /**
   * Run TestNG.
   */
  public void run() {
    initializeSuitesAndJarFile();
    initializeConfiguration();
    initializeDefaultListeners();
    initializeCommandLineSuites();
    initializeCommandLineSuitesParams();
    initializeCommandLineSuitesGroups();

    sanityCheck();

    runExecutionListeners(true /* start */);

    runSuiteAlterationListeners();

    m_start = System.currentTimeMillis();
    List<ISuite> suiteRunners = runSuites();

    m_end = System.currentTimeMillis();

    if(null != suiteRunners) {
      generateReports(suiteRunners);
    }

    runExecutionListeners(false /* finish */);

    if(!m_hasTests) {
      setStatus(HAS_NO_TEST);
      if (TestRunner.getVerbose() > 1) {
        System.err.println("[TestNG] No tests found. Nothing was run");
        usage();
      }
    }
  }

  /**
   * Run the test suites.
   * <p>
   * This method can be overridden by subclass. <br/>
   * For example, DistributedTestNG to run in master/slave mode according to commandline args. 
   * </p>
   * @return - List of suites that were run as {@link ISuite} objects.
   * @since 6.9.11 when moving distributed/remote classes out into separate project
   */
  protected List<ISuite> runSuites() {
    return runSuitesLocally();
  }

  private void runSuiteAlterationListeners() {
    for (Collection<IAlterSuiteListener> listeners
        : Arrays.asList(m_alterSuiteListeners.values(), m_configuration.getAlterSuiteListeners())) {
      for (IAlterSuiteListener l : listeners) {
        l.alter(m_suites);
      }
    }
  }

  private void runExecutionListeners(boolean start) {
    for (Collection<IExecutionListener> listeners
        : Arrays.asList(m_executionListeners.values(), m_configuration.getExecutionListeners())) {
      for (IExecutionListener l : listeners) {
        if (start) l.onExecutionStart();
        else l.onExecutionFinish();
      }
    }
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addAlterSuiteListener(IAlterSuiteListener l) {
    addListener((ITestNGListener) l);
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO remove later
  @Deprecated
  public void addExecutionListener(IExecutionListener l) {
    addListener((ITestNGListener) l);
  }

  private static void usage() {
    if (m_jCommander == null) {
      m_jCommander = new JCommander(new CommandLineArgs());
    }
    m_jCommander.usage();
  }

  private void generateReports(List<ISuite> suiteRunners) {
    for (IReporter reporter : m_reporters.values()) {
      try {
        long start = System.currentTimeMillis();
        reporter.generateReport(m_suites, suiteRunners, m_outputDir);
        Utils.log("TestNG", 2, "Time taken by " + reporter + ": "
            + (System.currentTimeMillis() - start) + " ms");
      }
      catch(Exception ex) {
        System.err.println("[TestNG] Reporter " + reporter + " failed");
        ex.printStackTrace(System.err);
      }
    }
  }

  /**
   * This needs to be public for maven2, for now..At least
   * until an alternative mechanism is found.
   */
  public List<ISuite> runSuitesLocally() {
    SuiteRunnerMap suiteRunnerMap = new SuiteRunnerMap();
    if (m_suites.size() > 0) {
      if (m_suites.get(0).getVerbose() >= 2) {
        Version.displayBanner();
      }

      // First initialize the suite runners to ensure there are no configuration issues.
      // Create a map with XmlSuite as key and corresponding SuiteRunner as value
      for (XmlSuite xmlSuite : m_suites) {
        createSuiteRunners(suiteRunnerMap, xmlSuite);
      }

      //
      // Run suites
      //
      if (m_suiteThreadPoolSize == 1 && !m_randomizeSuites) {
        // Single threaded and not randomized: run the suites in order
        for (XmlSuite xmlSuite : m_suites) {
          runSuitesSequentially(xmlSuite, suiteRunnerMap, getVerbose(xmlSuite),
              getDefaultSuiteName());
        }
      } else {
        // Multithreaded: generate a dynamic graph that stores the suite hierarchy. This is then
        // used to run related suites in specific order. Parent suites are run only
        // once all the child suites have completed execution
        DynamicGraph<ISuite> suiteGraph = new DynamicGraph<>();
        for (XmlSuite xmlSuite : m_suites) {
          populateSuiteGraph(suiteGraph, suiteRunnerMap, xmlSuite);
        }

        IThreadWorkerFactory<ISuite> factory = new SuiteWorkerFactory(suiteRunnerMap,
          0 /* verbose hasn't been set yet */, getDefaultSuiteName());
        GraphThreadPoolExecutor<ISuite> pooledExecutor =
                new GraphThreadPoolExecutor<>(suiteGraph, factory, m_suiteThreadPoolSize,
                        m_suiteThreadPoolSize, Integer.MAX_VALUE, TimeUnit.MILLISECONDS,
                        new LinkedBlockingQueue<Runnable>());

        Utils.log("TestNG", 2, "Starting executor for all suites");
        // Run all suites in parallel
        pooledExecutor.run();
        try {
          pooledExecutor.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
          pooledExecutor.shutdownNow();
        }
        catch (InterruptedException handled) {
          Thread.currentThread().interrupt();
          error("Error waiting for concurrent executors to finish " + handled.getMessage());
        }
      }
    }
    else {
      setStatus(HAS_NO_TEST);
      error("No test suite found. Nothing to run");
      usage();
    }

    //
    // Generate the suites report
    //
    return Lists.newArrayList(suiteRunnerMap.values());
  }

  private static void error(String s) {
    LOGGER.error(s);
  }

  /**
   * @return the verbose level, checking in order: the verbose level on
   * the suite, the verbose level on the TestNG object, or 1.
   */
  private int getVerbose(XmlSuite xmlSuite) {
    int result = xmlSuite.getVerbose() != null ? xmlSuite.getVerbose()
        : (m_verbose != null ? m_verbose : DEFAULT_VERBOSE);
    return result;
  }

  /**
   * Recursively runs suites. Runs the children suites before running the parent
   * suite. This is done so that the results for parent suite can reflect the
   * combined results of the children suites.
   *
   * @param xmlSuite XML Suite to be executed
   * @param suiteRunnerMap Maps {@code XmlSuite}s to respective {@code ISuite}
   * @param verbose verbose level
   * @param defaultSuiteName default suite name
   */
  private void runSuitesSequentially(XmlSuite xmlSuite,
      SuiteRunnerMap suiteRunnerMap, int verbose, String defaultSuiteName) {
    for (XmlSuite childSuite : xmlSuite.getChildSuites()) {
      runSuitesSequentially(childSuite, suiteRunnerMap, verbose, defaultSuiteName);
    }
    SuiteRunnerWorker srw = new SuiteRunnerWorker(suiteRunnerMap.get(xmlSuite), suiteRunnerMap,
      verbose, defaultSuiteName);
    srw.run();
  }

  /**
   * Populates the dynamic graph with the reverse hierarchy of suites. Edges are
   * added pointing from child suite runners to parent suite runners, hence making
   * parent suite runners dependent on all the child suite runners
   *
   * @param suiteGraph dynamic graph representing the reverse hierarchy of SuiteRunners
   * @param suiteRunnerMap Map with XMLSuite as key and its respective SuiteRunner as value
   * @param xmlSuite XML Suite
   */
  private void populateSuiteGraph(DynamicGraph<ISuite> suiteGraph /* OUT */,
      SuiteRunnerMap suiteRunnerMap, XmlSuite xmlSuite) {
    ISuite parentSuiteRunner = suiteRunnerMap.get(xmlSuite);
    if (xmlSuite.getChildSuites().isEmpty()) {
      suiteGraph.addNode(parentSuiteRunner);
    }
    else {
      for (XmlSuite childSuite : xmlSuite.getChildSuites()) {
        suiteGraph.addEdge(0, parentSuiteRunner, suiteRunnerMap.get(childSuite));
        populateSuiteGraph(suiteGraph, suiteRunnerMap, childSuite);
      }
    }
  }

  /**
   * Creates the {@code SuiteRunner}s and populates the suite runner map with
   * this information
   * @param suiteRunnerMap Map with XMLSuite as key and it's respective
   *   SuiteRunner as value. This is updated as part of this method call
   * @param xmlSuite Xml Suite (and its children) for which {@code SuiteRunner}s are created
   */
  private void createSuiteRunners(SuiteRunnerMap suiteRunnerMap /* OUT */, XmlSuite xmlSuite) {
    if (null != m_isJUnit && ! m_isJUnit.equals(XmlSuite.DEFAULT_JUNIT)) {
      xmlSuite.setJUnit(m_isJUnit);
    }

    // If the skip flag was invoked on the command line, it
    // takes precedence
    if (null != m_skipFailedInvocationCounts) {
      xmlSuite.setSkipFailedInvocationCounts(m_skipFailedInvocationCounts);
    }

    // Override the XmlSuite verbose value with the one from TestNG
    if (m_verbose != null) {
      xmlSuite.setVerbose(m_verbose);
    }

    if (null != m_configFailurePolicy) {
      xmlSuite.setConfigFailurePolicy(m_configFailurePolicy);
    }

    for (XmlTest t : xmlSuite.getTests()) {
      for (Map.Entry<String, Integer> ms : m_methodDescriptors.entrySet()) {
        XmlMethodSelector xms = new XmlMethodSelector();
        xms.setName(ms.getKey());
        xms.setPriority(ms.getValue());
        t.getMethodSelectors().add(xms);
      }
    }

    suiteRunnerMap.put(xmlSuite, createSuiteRunner(xmlSuite));

    for (XmlSuite childSuite : xmlSuite.getChildSuites()) {
      createSuiteRunners(suiteRunnerMap, childSuite);
    }
  }

  /**
   * Creates a suite runner and configures its initial state
   * @param xmlSuite
   * @return returns the newly created suite runner
   */
  private SuiteRunner createSuiteRunner(XmlSuite xmlSuite) {
    SuiteRunner result = new SuiteRunner(getConfiguration(), xmlSuite,
        m_outputDir,
        m_testRunnerFactory,
        m_useDefaultListeners,
        m_methodInterceptors,
        m_invokedMethodListeners.values(),
        m_testListeners.values(),
        m_classListeners.values());

    for (ISuiteListener isl : m_suiteListeners.values()) {
      result.addListener(isl);
    }

    for (IReporter r : result.getReporters()) {
      addListener(r);
    }

    for (IConfigurationListener cl : m_configuration.getConfigurationListeners()) {
      result.addConfigurationListener(cl);
    }

    return result;
  }

  protected IConfiguration getConfiguration() {
    return m_configuration;
  }

  /**
   * The TestNG entry point for command line execution.
   *
   * @param argv the TestNG command line parameters.
   * @throws FileNotFoundException
   */
  public static void main(String[] argv) {
    TestNG testng = privateMain(argv, null);
    System.exit(testng.getStatus());
  }

  /**
   * <B>Note</B>: this method is not part of the public API and is meant for internal usage only.
   */
  public static TestNG privateMain(String[] argv, ITestListener listener) {
    TestNG result = new TestNG();

    if (null != listener) {
      result.addListener((Object)listener);
    }

    //
    // Parse the arguments
    //
    try {
      CommandLineArgs cla = new CommandLineArgs();
      m_jCommander = new JCommander(cla, argv);
      validateCommandLineParameters(cla);
      result.configure(cla);
    }
    catch(ParameterException ex) {
      exitWithError(ex.getMessage());
    }

    //
    // Run
    //
    try {
      result.run();
    }
    catch(TestNGException ex) {
      if (TestRunner.getVerbose() > 1) {
        ex.printStackTrace(System.out);
      }
      else {
        error(ex.getMessage());
      }
      result.setStatus(HAS_FAILURE);
    }

    return result;
  }

  /**
   * Configure the TestNG instance based on the command line parameters.
   */
  protected void configure(CommandLineArgs cla) {
    if (cla.verbose != null) {
      setVerbose(cla.verbose);
    }
    setOutputDirectory(cla.outputDirectory);

    String testClasses = cla.testClass;
    if (null != testClasses) {
      String[] strClasses = testClasses.split(",");
      List<Class> classes = Lists.newArrayList();
      for (String c : strClasses) {
        classes.add(ClassHelper.fileToClass(c));
      }

      setTestClasses(classes.toArray(new Class[classes.size()]));
    }

    setOutputDirectory(cla.outputDirectory);

    if (cla.testNames != null) {
      setTestNames(Arrays.asList(cla.testNames.split(",")));
    }

//    List<String> testNgXml = (List<String>) cmdLineArgs.get(CommandLineArgs.SUITE_DEF);
//    if (null != testNgXml) {
//      setTestSuites(testNgXml);
//    }

    // Note: can't use a Boolean field here because we are allowing a boolean
    // parameter with an arity of 1 ("-usedefaultlisteners false")
    if (cla.useDefaultListeners != null) {
      setUseDefaultListeners("true".equalsIgnoreCase(cla.useDefaultListeners));
    }

    setGroups(cla.groups);
    setExcludedGroups(cla.excludedGroups);
    setTestJar(cla.testJar);
    setXmlPathInJar(cla.xmlPathInJar);
    setJUnit(cla.junit);
    setMixed(cla.mixed);
    setSkipFailedInvocationCounts(cla.skipFailedInvocationCounts);
    if (cla.parallelMode != null) {
      setParallel(cla.parallelMode);
    }
    if (cla.configFailurePolicy != null) {
      setConfigFailurePolicy(cla.configFailurePolicy);
    }
    if (cla.threadCount != null) {
      setThreadCount(cla.threadCount);
    }
    if (cla.dataProviderThreadCount != null) {
      setDataProviderThreadCount(cla.dataProviderThreadCount);
    }
    if (cla.suiteName != null) {
      setDefaultSuiteName(cla.suiteName);
    }
    if (cla.testName != null) {
      setDefaultTestName(cla.testName);
    }
    if (cla.listener != null) {
      String sep = ";";
      if (cla.listener.contains(",")) {
        sep = ",";
      }
      String[] strs = Utils.split(cla.listener, sep);
      List<Class<? extends ITestNGListener>> classes = Lists.newArrayList();

      for (String cls : strs) {
        Class<?> clazz = ClassHelper.fileToClass(cls);
        if (ITestNGListener.class.isAssignableFrom(clazz)) {
          classes.add((Class<? extends ITestNGListener>) clazz);
        }
      }

      setListenerClasses(classes);
    }

    if (null != cla.methodSelectors) {
      String[] strs = Utils.split(cla.methodSelectors, ",");
      for (String cls : strs) {
        String[] sel = Utils.split(cls, ":");
        try {
          if (sel.length == 2) {
            addMethodSelector(sel[0], Integer.parseInt(sel[1]));
          } else {
            error("Method selector value was not in the format org.example.Selector:4");
          }
        }
        catch (NumberFormatException nfe) {
          error("Method selector value was not in the format org.example.Selector:4");
        }
      }
    }

    if (cla.objectFactory != null) {
      setObjectFactory(ClassHelper.fileToClass(cla.objectFactory));
    }
    if (cla.testRunnerFactory != null) {
      setTestRunnerFactoryClass(
          ClassHelper.fileToClass(cla.testRunnerFactory));
    }

    if (cla.reporter != null) {
      ReporterConfig reporterConfig = ReporterConfig.deserialize(cla.reporter);
      addReporter(reporterConfig);
    }

    if (cla.commandLineMethods.size() > 0) {
      m_commandLineMethods = cla.commandLineMethods;
    }

    if (cla.suiteFiles != null) {
      setTestSuites(cla.suiteFiles);
    }

    setSuiteThreadPoolSize(cla.suiteThreadPoolSize);
    setRandomizeSuites(cla.randomizeSuites);
  }

  public void setSuiteThreadPoolSize(Integer suiteThreadPoolSize) {
    m_suiteThreadPoolSize = suiteThreadPoolSize;
  }

  public Integer getSuiteThreadPoolSize() {
    return m_suiteThreadPoolSize;
  }

   public void setRandomizeSuites(boolean randomizeSuites) {
     m_randomizeSuites = randomizeSuites;
   }

  /**
   * This method is invoked by Maven's Surefire, only remove it once
   * Surefire has been modified to no longer call it.
   */
  public void setSourcePath(String path) {
    // nop
  }

  /**
   * This method is invoked by Maven's Surefire to configure the runner,
   * do not remove unless you know for sure that Surefire has been updated
   * to use the new configure(CommandLineArgs) method.
   *
   * @deprecated use new configure(CommandLineArgs) method
   */
  @SuppressWarnings({"unchecked"})
  @Deprecated
  public void configure(Map cmdLineArgs) {
    CommandLineArgs result = new CommandLineArgs();

    Integer verbose = (Integer) cmdLineArgs.get(CommandLineArgs.LOG);
    if (null != verbose) {
      result.verbose = verbose;
    }
    result.outputDirectory = (String) cmdLineArgs.get(CommandLineArgs.OUTPUT_DIRECTORY);

    String testClasses = (String) cmdLineArgs.get(CommandLineArgs.TEST_CLASS);
    if (null != testClasses) {
      result.testClass = testClasses;
    }

    String testNames = (String) cmdLineArgs.get(CommandLineArgs.TEST_NAMES);
    if (testNames != null) {
      result.testNames = testNames;
    }

    String useDefaultListeners = (String) cmdLineArgs.get(CommandLineArgs.USE_DEFAULT_LISTENERS);
    if (null != useDefaultListeners) {
      result.useDefaultListeners = useDefaultListeners;
    }

    result.groups = (String) cmdLineArgs.get(CommandLineArgs.GROUPS);
    result.excludedGroups = (String) cmdLineArgs.get(CommandLineArgs.EXCLUDED_GROUPS);
    result.testJar = (String) cmdLineArgs.get(CommandLineArgs.TEST_JAR);
    result.xmlPathInJar = (String) cmdLineArgs.get(CommandLineArgs.XML_PATH_IN_JAR);
    result.junit = (Boolean) cmdLineArgs.get(CommandLineArgs.JUNIT);
    result.mixed = (Boolean) cmdLineArgs.get(CommandLineArgs.MIXED);
    result.skipFailedInvocationCounts = (Boolean) cmdLineArgs.get(
        CommandLineArgs.SKIP_FAILED_INVOCATION_COUNTS);
    String parallelMode = (String) cmdLineArgs.get(CommandLineArgs.PARALLEL);
    if (parallelMode != null) {
      result.parallelMode = XmlSuite.ParallelMode.getValidParallel(parallelMode);
    }

    String threadCount = (String) cmdLineArgs.get(CommandLineArgs.THREAD_COUNT);
    if (threadCount != null) {
      result.threadCount = Integer.parseInt(threadCount);
    }

    // Not supported by Surefire yet
    Integer dptc = (Integer) cmdLineArgs.get(CommandLineArgs.DATA_PROVIDER_THREAD_COUNT);
    if (dptc != null) {
      result.dataProviderThreadCount = dptc;
    }
    String defaultSuiteName = (String) cmdLineArgs.get(CommandLineArgs.SUITE_NAME);
    if (defaultSuiteName != null) {
      result.suiteName = defaultSuiteName;
    }

    String defaultTestName = (String) cmdLineArgs.get(CommandLineArgs.TEST_NAME);
    if (defaultTestName != null) {
      result.testName = defaultTestName;
    }

    Object listeners = cmdLineArgs.get(CommandLineArgs.LISTENER);
    if (listeners instanceof List) {
      result.listener = Utils.join((List<?>) listeners, ",");
    } else {
      result.listener = (String) listeners;
    }

    String ms = (String) cmdLineArgs.get(CommandLineArgs.METHOD_SELECTORS);
    if (null != ms) {
      result.methodSelectors = ms;
    }

    String objectFactory = (String) cmdLineArgs.get(CommandLineArgs.OBJECT_FACTORY);
    if(null != objectFactory) {
      result.objectFactory = objectFactory;
    }

    String runnerFactory = (String) cmdLineArgs.get(CommandLineArgs.TEST_RUNNER_FACTORY);
    if (null != runnerFactory) {
      result.testRunnerFactory = runnerFactory;
    }

    String reporterConfigs = (String) cmdLineArgs.get(CommandLineArgs.REPORTER);
    if (reporterConfigs != null) {
      result.reporter = reporterConfigs;
    }

    String failurePolicy = (String)cmdLineArgs.get(CommandLineArgs.CONFIG_FAILURE_POLICY);
    if (failurePolicy != null) {
      result.configFailurePolicy = failurePolicy;
    }

    Object  suiteThreadPoolSize = cmdLineArgs.get(CommandLineArgs.SUITE_THREAD_POOL_SIZE);
    if (null != suiteThreadPoolSize) {
        if (suiteThreadPoolSize instanceof String){
            result.suiteThreadPoolSize=Integer.parseInt((String) suiteThreadPoolSize);
        }
        if (suiteThreadPoolSize instanceof Integer){
            result.suiteThreadPoolSize=(Integer) suiteThreadPoolSize;
        }
    }

    configure(result);
  }

  /**
   * Only run the specified tests from the suite.
   */
  public void setTestNames(List<String> testNames) {
    m_testNames = testNames;
  }

  public void setSkipFailedInvocationCounts(Boolean skip) {
    m_skipFailedInvocationCounts = skip;
  }

  private void addReporter(ReporterConfig reporterConfig) {
    Object instance = reporterConfig.newReporterInstance();
    if (instance != null) {
      addListener(instance);
    } else {
      LOGGER.warn("Could not find reporte class : " + reporterConfig.getClassName());
    }
  }

  /**
   * Specify if this run should be made in JUnit mode
   *
   * @param isJUnit
   */
  public void setJUnit(Boolean isJUnit) {
    m_isJUnit = isJUnit;
  }

  /**
   * Specify if this run should be made in mixed mode
   */
  public void setMixed(Boolean isMixed) {
      if(isMixed==null){
          return;
      }
    m_isMixed = isMixed;
  }

  /**
   * @deprecated The TestNG version is now established at load time. This
   * method is not required anymore and is now a no-op.
   */
  @Deprecated
  public static void setTestNGVersion() {
    LOGGER.info("setTestNGVersion has been deprecated.");
  }

  /**
   * Returns true if this is the JDK 1.4 JAR version of TestNG, false otherwise.
   *
   * @return true if this is the JDK 1.4 JAR version of TestNG, false otherwise.
   */
  @Deprecated
  public static boolean isJdk14() {
    return false;
  }

  /**
   * Double check that the command line parameters are valid.
   */
  protected static void validateCommandLineParameters(CommandLineArgs args) {
    String testClasses = args.testClass;
    List<String> testNgXml = args.suiteFiles;
    String testJar = args.testJar;
    List<String> methods = args.commandLineMethods;

    if (testClasses == null && testJar == null
        && (testNgXml == null || testNgXml.isEmpty())
        && (methods == null || methods.isEmpty())) {
      throw new ParameterException("You need to specify at least one testng.xml, one class"
          + " or one method");
    }

    String groups = args.groups;
    String excludedGroups = args.excludedGroups;

    if (testJar == null &&
        (null != groups || null != excludedGroups) && testClasses == null
        && (testNgXml == null || testNgXml.isEmpty())) {
      throw new ParameterException("Groups option should be used with testclass option");
    }

    Boolean junit = args.junit;
    Boolean mixed = args.mixed;
    if (junit && mixed) {
     throw new ParameterException(CommandLineArgs.MIXED + " can't be combined with "
         + CommandLineArgs.JUNIT);
    }
  }

  /**
   * @return true if at least one test failed.
   */
  public boolean hasFailure() {
    return (getStatus() & HAS_FAILURE) == HAS_FAILURE;
  }

  /**
   * @return true if at least one test failed within success percentage.
   */
  public boolean hasFailureWithinSuccessPercentage() {
    return (getStatus() & HAS_FSP) == HAS_FSP;
  }

  /**
   * @return true if at least one test was skipped.
   */
  public boolean hasSkip() {
    return (getStatus() & HAS_SKIPPED) == HAS_SKIPPED;
  }

  static void exitWithError(String msg) {
    System.err.println(msg);
    usage();
    System.exit(1);
  }

  public String getOutputDirectory() {
    return m_outputDir;
  }

  public IAnnotationTransformer getAnnotationTransformer() {
    return m_annotationTransformer;
  }

  /**
   * @deprecated Use addListener(ITestNGListener) instead
   */
  // TODO make private
  @Deprecated
  public void setAnnotationTransformer(IAnnotationTransformer t) {
	// compare by reference!
    if (m_annotationTransformer != m_defaultAnnoProcessor && m_annotationTransformer != t) {
    	LOGGER.warn("AnnotationTransformer already set");
    }
    m_annotationTransformer = t;
  }

  /**
   * @return the defaultSuiteName
   */
  public String getDefaultSuiteName() {
    return m_defaultSuiteName;
  }

  /**
   * @param defaultSuiteName the defaultSuiteName to set
   */
  public void setDefaultSuiteName(String defaultSuiteName) {
    m_defaultSuiteName = defaultSuiteName;
  }

  /**
   * @return the defaultTestName
   */
  public String getDefaultTestName() {
    return m_defaultTestName;
  }

  /**
   * @param defaultTestName the defaultTestName to set
   */
  public void setDefaultTestName(String defaultTestName) {
    m_defaultTestName = defaultTestName;
  }

  /**
   * Sets the policy for whether or not to ever invoke a configuration method again after
   * it has failed once. Possible values are defined in {@link XmlSuite}.  The default
   * value is {@link org.testng.xml.XmlSuite.FailurePolicy#SKIP}
   * @param failurePolicy the configuration failure policy
   */
  public void setConfigFailurePolicy(XmlSuite.FailurePolicy failurePolicy) {
    m_configFailurePolicy = failurePolicy;
  }

  /**
   * @deprecated Use {@link #setConfigFailurePolicy(org.testng.xml.XmlSuite.FailurePolicy)} instead
   */
  @Deprecated
  public void setConfigFailurePolicy(String failurePolicy) {
    setConfigFailurePolicy(XmlSuite.FailurePolicy.getValidPolicy(failurePolicy));
  }

  /**
   * Returns the configuration failure policy.
   * @return config failure policy
   */
  public XmlSuite.FailurePolicy getConfigFailurePolicy() {
    return m_configFailurePolicy;
  }

  // DEPRECATED: to be removed after a major version change
  /**
   * @deprecated since 5.1
   */
  @Deprecated
  public static TestNG getDefault() {
    return m_instance;
  }

  /**
   * @deprecated since 5.1
   */
  @Deprecated
  public void setHasFailure(boolean hasFailure) {
    m_status |= HAS_FAILURE;
  }

  /**
   * @deprecated since 5.1
   */
  @Deprecated
  public void setHasFailureWithinSuccessPercentage(boolean hasFailureWithinSuccessPercentage) {
    m_status |= HAS_FSP;
  }

  /**
   * @deprecated since 5.1
   */
  @Deprecated
  public void setHasSkip(boolean hasSkip) {
    m_status |= HAS_SKIPPED;
  }

  public static class ExitCodeListener implements IResultListener2 {
    private TestNG m_mainRunner;

    public ExitCodeListener() {
      m_mainRunner = TestNG.m_instance;
    }

    public ExitCodeListener(TestNG runner) {
      m_mainRunner = runner;
    }

    @Override
    public void beforeConfiguration(ITestResult tr) {
    }

    @Override
    public void onTestFailure(ITestResult result) {
      setHasRunTests();
      m_mainRunner.setStatus(HAS_FAILURE);
    }

    @Override
    public void onTestSkipped(ITestResult result) {
      setHasRunTests();
      if ((m_mainRunner.getStatus() & HAS_FAILURE) != 0) {
        m_mainRunner.setStatus(HAS_SKIPPED);
      }
    }

    @Override
    public void onTestFailedButWithinSuccessPercentage(ITestResult result) {
      setHasRunTests();
      m_mainRunner.setStatus(HAS_FSP);
    }

    @Override
    public void onTestSuccess(ITestResult result) {
      setHasRunTests();
    }

    @Override
    public void onStart(ITestContext context) {
      setHasRunTests();
    }

    @Override
    public void onFinish(ITestContext context) {
    }

    @Override
    public void onTestStart(ITestResult result) {
      setHasRunTests();
    }

    private void setHasRunTests() {
      m_mainRunner.m_hasTests= true;
    }

    /**
     * @see org.testng.IConfigurationListener#onConfigurationFailure(org.testng.ITestResult)
     */
    @Override
    public void onConfigurationFailure(ITestResult itr) {
      m_mainRunner.setStatus(HAS_FAILURE);
    }

    /**
     * @see org.testng.IConfigurationListener#onConfigurationSkip(org.testng.ITestResult)
     */
    @Override
    public void onConfigurationSkip(ITestResult itr) {
      m_mainRunner.setStatus(HAS_SKIPPED);
    }

    /**
     * @see org.testng.IConfigurationListener#onConfigurationSuccess(org.testng.ITestResult)
     */
    @Override
    public void onConfigurationSuccess(ITestResult itr) {
    }
  }

  private void setConfigurable(IConfigurable c) {
	// compare by reference!
    if (m_configurable != null && m_configurable != c) {
    	LOGGER.warn("Configurable already set");
	}
    m_configurable = c;
  }

  private void setHookable(IHookable h) {
	// compare by reference!
    if (m_hookable != null && m_hookable != h) {
    	LOGGER.warn("Hookable already set");
    }
    m_hookable = h;
  }

  public void setMethodInterceptor(IMethodInterceptor methodInterceptor) {
    m_methodInterceptors.add(methodInterceptor);
  }

  public void setDataProviderThreadCount(int count) {
    m_dataProviderThreadCount = count;
  }

  /** Add a class loader to the searchable loaders. */
  public void addClassLoader(final ClassLoader loader) {
    if (loader != null) {
      ClassHelper.addClassLoader(loader);
    }
  }

  public void setPreserveOrder(boolean b) {
    m_preserveOrder = b;
  }

  protected long getStart() {
    return m_start;
  }

  protected long getEnd() {
    return m_end;
  }

  public void setGroupByInstances(boolean b) {
    m_groupByInstances = b;
  }

  /////
  // ServiceLoader testing
  //

  private URLClassLoader m_serviceLoaderClassLoader;
  private Map<Class<? extends ITestNGListener>, ITestNGListener> serviceLoaderListeners = Maps.newHashMap();

  /*
   * Used to test ServiceClassLoader
   */
  public void setServiceLoaderClassLoader(URLClassLoader ucl) {
    m_serviceLoaderClassLoader = ucl;
  }

  /*
   * Used to test ServiceClassLoader
   */
  private void addServiceLoaderListener(ITestNGListener l) {
    if (! serviceLoaderListeners.containsKey(l.getClass())) {
      serviceLoaderListeners.put(l.getClass(), l);
    }
  }

  /*
   * Used to test ServiceClassLoader
   */
  public List<ITestNGListener> getServiceLoaderListeners() {
    return Lists.newArrayList(serviceLoaderListeners.values());
  }

  //
  // ServiceLoader testing
  /////
}
